Comprehensive directory of California chambers of commerce, featuring the California Chamber of Commerce (CalChamber) and over 400 local business chambers serving the Golden State's diverse economy. From Silicon Valley tech hubs to Central Valley agriculture centers, California's chamber network supports millions of businesses across 58 counties.
Local Chambers
CalChamber Founded
Counties Served
Businesses Statewide
Since 1890, CalChamber has been the voice of California employers. As the largest broad-based business advocacy group in California, membership represents one-quarter of private sector jobs in the state and includes firms of all sizes from every industry.
President & CEO: Jennifer Barrera
Monday - Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 4:00 PM
Saturday - Sunday: Closed
Southern California's largest not-for-profit business federation, representing the interests of more than 235,000 businesses in L.A. County with over 1,400 member companies.
Hours: Mon-Fri: 9:00 AM - 5:00 PM
Dedicated to attracting, supporting, and growing businesses throughout San Francisco by providing advocacy, economic development, and business development resources.
Transit: Montgomery Street BART/Muni stop
Founded in 1870 by Alonzo Horton, the Chamber represents more than 2,000 member businesses and their 300,000 employees across the San Diego region.
The leading voice of business in Orange County, promoting economic development and business-friendly policies throughout the region.
Free business consulting, training, and resources through the Small Business Development Center network serving all California regions.
Visit WebsiteCalifornia's single point of contact for business permits, financing, workforce development, and incentive programs.
Visit WebsiteOnline database of California permits, licenses, and requirements for starting and operating a business.
Visit WebsiteCalifornia Infrastructure and Economic Development Bank provides financing for small businesses and economic development projects.
Visit WebsiteConnect with business leaders, entrepreneurs, and decision-makers through mixers, events, and exclusive member gatherings.
Chambers advocate for business-friendly policies at local, state, and federal levels, representing member interests in government affairs.
Gain visibility through member directories, website listings, social media features, and sponsorship opportunities.
Access workshops, seminars, leadership programs, and training resources to grow your skills and business acumen.
Save on business services including insurance, shipping, office supplies, and technology through exclusive member programs.
Chamber membership signals credibility and commitment to the business community, building trust with customers and partners.
Last updated on November 27, 2025